fix order by filename DESC

Author: yggverse

src/main.rs

@@ -106,7 +106,7 @@ fn crawl(argument: &Argument, output: &Output) -> Result<(), Box<dyn Error>> {
 
             // scan dir files, sort by name desc
             let mut files: Vec<_> = read_dir(&path)?.filter_map(Result::ok).collect();
-            files.sort_by_key(|f| f.file_name());
+            files.sort_by_key(|f| std::cmp::Reverse(f.file_name()));
 
             let mut data = Vec::with_capacity(argument.limit.unwrap_or_default());
             let mut index = File::create(&index_filename)?;